I am getting transient null pointer errors when I use the cocoon:/ protocol in
Cocoon2.1
but everything works fine when using Cocoon2.0.4dev.
Tested with:
Cocoon2.1 development snapshots"
xml-cocoon2_20021122112643.tar.gz
xml-cocoon2_20021125111932.tar.gz
Cocoon2.0.4dev from CVS Nov 14, 2002
Details (see below for snippet from sitemap):
Requests for *.xsl-good always succeed.
Requests for *.xsl-fail will only succeed if I have previously requested *.xsl-good
since the last restart of Cocoon.
When the request fails I receive this error report (see copy of stacktrace at end of
email):
The org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode notifies that
java.lang.NullPointerException says:
More precisely:
java.lang.NullPointerException
Relevant snippet from sitemap:
<map:match pattern="xpath.xsl">
<map:generate src="../resources/xpath.xsl"/>
<map:serialize type="xml"/>
</map:match>
<map:match pattern="*.xml">
<map:generate src="{1}.xml"/>
<map:serialize type="xml"/>
</map:match>
<map:match pattern="*.xsl-fail">
<map:generate src="{1}.xml"/>
<map:transform src="cocoon:/xpath.xsl">
<map:parameter name="xpath" value="xml/section-xsl/*"/>
</map:transform>
<map:serialize type="xml"/>
</map:match>
<map:match pattern="*.xsl-good">
<map:generate src="cocoon:/{1}.xml"/>
<map:transform src="cocoon:/xpath.xsl">
<map:parameter name="xpath" value="xml/section-xsl/*"/>
</map:transform>
<map:serialize type="xml"/>
</map:match>
Full stacktrace for error mentioned above:
java.lang.NullPointerException
at
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:570)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:481)
at
org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:149)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:85)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:166)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:326)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:308)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:131)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.ContainerNode.invoke(ContainerNode.java:68)
at
org.apache.cocoon.components.treeprocessor.sitemap.CallNode.invoke(CallNode.java:133)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:85)
at
org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:158)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:85)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:166)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:326)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:308)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:131)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:85)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:166)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:326)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:308)
at
org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:131)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:85)
at
org.apache.cocoon.components.treeprocessor.sitemap.PreparableMatchNode.invoke(PreparableMatchNode.java:166)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:153)
at
org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:109)
at
org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:143)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:326)
at
org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:308)
at org.apache.cocoon.Cocoon.process(Cocoon.java:596)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1069)
at javax.servlet.http.HttpServlet.service(HttpServlet.java)
at org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java:574)
at org.apache.tomcat.core.Handler.invoke(Handler.java:322)
at org.apache.tomcat.core.Handler.service(Handler.java:235)
at org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:485)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:917)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:833)
at
org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Http10Interceptor.java:176)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:494)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:516)
at java.lang.Thread.run(Thread.java:536)
Hope it's simple,
Tim
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